CN102489154A - Reverse osmosis type remote monitoring and recycling method and system for concentrated water - Google Patents
Reverse osmosis type remote monitoring and recycling method and system for concentrated water Download PDFInfo
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- CN102489154A CN102489154A CN2011104175270A CN201110417527A CN102489154A CN 102489154 A CN102489154 A CN 102489154A CN 2011104175270 A CN2011104175270 A CN 2011104175270A CN 201110417527 A CN201110417527 A CN 201110417527A CN 102489154 A CN102489154 A CN 102489154A
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Abstract
The invention discloses a reverse osmosis type remote monitoring and recycling method and a system for concentrated water; the system comprises a water purifying system, a concentrated water monitoring system and a concentrated water recycle system, wherein the water purifying system comprises a reverse osmosis system; the concentrated water monitoring system is used for detecting the concentrated water generated in the reverse osmosis system and for performing an execution command on the concentrated water recycle system based on the detecting result; the concentrated water monitoring system is used for detecting the conductivity value of the concentrated water, comparing the conductivity value of the concentrated water with a preset value and analyzing the conductivity data of the concentrated water by a PLC program to command the concentrated water recycle system to adjust; the reverse osmosis type remote monitoring and recycling method and system for concentrated water have the advantages of overcoming the concentrated water treatment problem generated by the reverse osmosis system used in the current water purifying system and conveniently monitoring, processing and recycling the water according to the condition of the concentrated water in real time.
Description
Technical field
The present invention relates to a kind of water cleaning systems remote monitoring and recycle method and system, especially relate to reverse osmosis concentrated water remote monitoring and recycle method and system.
Background technology
In the pure water cleaning treatment system; Because the too high meeting of influent density produces membrane structure and destroys, thus need handle timely the dense water that accumulates on the film device, at present to having the dense water treatment problems that counter-infiltration system produced that adopts in the water cleaning systems now; The processing means that adopted are recovery that pure water and waste water are discharged by fixed proportion and circulates; But because the concentration of former water has very big difference in Various Seasonal with different regions, as very big, so if adopt the fixed proportion discharging or reclaim dense water in the concentration of metal ions and the pollution level difference of dry season and former water of rainwater phase; Be difficult to realize simultaneously to the protection of counter-infiltration system and making full use of of water resource; The ratio of discharging is also bad in addition confirms that versatility is not strong, and operation easier is big.
Test for a long time through the inventor, when finding that dense water conductivity is in 800 μ s/cm, to reverse osmosis membrane almost do not have an injury, so the exemplary electrical conductivity preset value of can selecting is 800 μ s/cm, through the practice discovery:
Our principle is that the pure water standard is that electrical conductivity is being qualified below 10; And the salt rejection rate of the reverse osmosis membrane that my company uses is generally 99 three percent; Through above-mentioned data and principle, we can draw a preset value, monitor the dense water conductivity in the counter-infiltration system; Prevent dense water destruct counter-infiltration system, realize maximum dense water recycle and reuse simultaneously.
We find that patent the most relevant with the present invention in the water cleaning systems does through retrieval; The patent No. is 200410037232.0 a kind of " water purification remote control administrative system and implementation method "; The water purification remote control administrative system of this invention connects each water purification work station, the data of each water purification work station of remote monitoring and administration for setting up a Surveillance center through the public land mobile communication.
Adopting counter-infiltration system to carry out in the water cleaning systems of counter-infiltration; Every warp water purification after a while; In counter-infiltration system, will accumulate dense water; And as untimely processing will influence purifying water effect and destroy reverse osmosis membrane, and the publication document of prior art and disclosure does not disclose convenient timely detection and the dense water problems of processing in the counter-infiltration system counter-infiltration about how.
In sum; Need a kind of reverse osmosis concentrated water remote monitoring of invention and recycle method and system badly; Solve the dense water problems in the counter-infiltration system counter-infiltration in the water cleaning systems; And realize the convenient real-time monitoring processing and the recycle of dense regimen condition, guarantee to water resource make full use of and to the protection of counter-infiltration system.
Summary of the invention
Technical problem to be solved by this invention is the dense water treatment problems that counter-infiltration system produced that adopts in the existing water cleaning systems; The reverse osmosis concentrated water remote monitoring and the recycle method and system of convenient real-time monitoring processing of a kind of ability and recycle are proposed, realize to water resource make full use of and to the protection of counter-infiltration system.
For realizing above-mentioned purpose; The present invention adopts following technical scheme: a kind of reverse osmosis concentrated water remote monitoring and recycle method; Comprise water cleaning systems, dense water monitoring system and dense water circulation system; Wherein, said water cleaning systems has comprised counter-infiltration system, and said dense water monitoring system detects the dense water that produces in the counter-infiltration system; And will send Monitoring Data and preset value (principle as describing in national examination criteria or the background technology obtains) to compare, according to testing result dense water circulation system is made fill order again.
As the further specific embodiment of the present invention; Described dense water monitoring system is through detecting the value of dense electrical conductivity of water; Direct again value and the preset value (principle as describing in national examination criteria or the background technology obtains) with dense water conductivity compares; Utilization PLC program is analyzed dense water conductivity data, commands dense water circulation system to regulate.
As the further specific embodiment of the present invention; Described dense water circulation system is connected counter-infiltration system through pipeline with raw water box in the water cleaning systems; Pipeline is provided with electrically-controlled valve and dense water conductivity appearance, and electrically-controlled valve is connected with dense water monitoring system with dense water conductivity appearance.
As the further specific embodiment of the present invention; Described dense water circulation system also comprises a concentrated water discharge pipeline, can dense water directly be emitted, and electrically-controlled valve is installed on the concentrated water discharge pipeline equally; This electrically-controlled valve is connected with dense water monitoring system, prevents that dense water conductivity is too high.
A kind of reverse osmosis concentrated water remote monitoring of the present invention and recycle method, carry out remote monitoring and water saving recycle according to following step:
Step 1: the dense water conductivity preset value that dense water monitoring system is set;
Step 2: gather dense water conductivity; The value and the above-mentioned preset value of the dense water conductivity that collects are compared, and utilization PLC program is analyzed dense water conductivity data, and commander's electrically-controlled valve is regulated automatically; If when dense water conductivity surpasses preset value, carry out step 3; When if dense water conductivity is lower than preset value, carry out step 4; When if dense water conductivity equals preset value, keep the aperture of current two electrically-controlled valve not do adjusting, continue to detect dense water conductivity;
Step 3: open the electrically-controlled valve on the concentrated water discharge pipeline, transfer big electrically-controlled valve aperture, reduce electrical conductivity, reduce the time of staying of dense water in pressure vessel for reverse osmosis, reduce damage to membrane structure until electrical conductivity is no more than then execution in step two of preset value;
Step 4: open the electrically-controlled valve on the dense water circulating pipe, transfer the electrically-controlled valve aperture on the big dense water circulating pipe gradually, the electrically-controlled valve aperture of regulating on the concentrated water discharge pipeline progressively reduces, after reaching dense electrical conductivity of water and being not less than preset value, and execution in step two.
The present invention also proposes a kind of reverse osmosis concentrated water remote monitoring and cyclic utilization system; Comprise water cleaning systems; Dense water monitoring system and dense water circulation system, wherein, said water cleaning systems has comprised counter-infiltration system; Said dense water monitoring system detects the dense water that produces in the counter-infiltration system, based on testing result dense water circulation system is made fill order.
As further improvement of the present invention; Described dense water monitoring system is through detecting the value of dense electrical conductivity of water; Value and preset value (principle as describing in national examination criteria or the background technology obtains) with dense water conductivity compares again; Utilization PLC program is analyzed dense water conductivity data, commands dense water circulation system to regulate.
As further improvement of the present invention, described dense water circulation system is connected counter-infiltration system through pipeline with raw water box in the water cleaning systems, and pipeline is provided with electrically-controlled valve and dense water conductivity appearance, and electrically-controlled valve is connected with dense water monitoring system with dense water conductivity appearance; Described dense water circulation system also comprises a concentrated water discharge pipeline, can dense water directly be emitted, and electrically-controlled valve is installed on the concentrated water discharge pipeline equally, and this electrically-controlled valve is connected with dense water monitoring system, prevents that dense water conductivity is too high.
The invention has the advantages that; Overcome the dense water treatment problems that counter-infiltration system produced that adopts in the existing water cleaning systems through above-mentioned reverse osmosis concentrated water remote monitoring and recycle method and system; Realized convenient real-time monitoring processing of dense regimen condition and circulating water-saving utilization, guarantee to water resource make full use of and to the protection of counter-infiltration system.Especially directly utilize comparison method to carry out analyzing and processing through single Monitoring Data, simplified conventional monitoring mode greatly, have monitoring conveniently, the remote-controlled operation control ability reaches the high characteristics of intelligent degree by force.
Description of drawings
Fig. 1 is the control flow chart of present embodiment;
Fig. 2 is the present embodiment process chart.
The specific embodiment
Below explanation is merely example, and it also is not intended to the present invention, its application or the restriction of use formation.Should be appreciated that and to use corresponding Reference numeral to represent similar elements in the accompanying drawings, the present invention is further specified below in conjunction with accompanying drawing.
Shown in accompanying drawing; Present embodiment adopts following technical scheme: a kind of reverse osmosis concentrated water remote monitoring and recycle method; Comprise water cleaning systems, dense water monitoring system and dense water circulation system, wherein; Said water cleaning systems has comprised counter-infiltration system; Said dense water monitoring system detects the dense water that produces in the counter-infiltration system, and will send Monitoring Data and preset value (principle as describing in national examination criteria or the background technology obtains) to compare, and according to testing result dense water circulation system is made fill order again;
Described dense water monitoring system can be through detecting the value of dense electrical conductivity of water; Value and preset value (principle as describing in national examination criteria or the background technology obtains) with dense water conductivity compares again; Utilization PLC program is analyzed dense water conductivity data, commands dense water circulation system to regulate; Described dense water circulation system is connected counter-infiltration system through pipeline with raw water box in the water cleaning systems, pipeline is provided with electrically-controlled valve and dense water conductivity appearance, and electrically-controlled valve is connected with dense water monitoring system with dense water conductivity appearance; Described dense water circulation system also comprises a concentrated water discharge pipeline, can dense water directly be emitted, and electrically-controlled valve is installed on the concentrated water discharge pipeline equally, and this electrically-controlled valve is connected with dense water monitoring system, prevents that dense water conductivity is too high; Described dense water monitoring system is to connect above-mentioned electrically-controlled valve and dense water conductivity appearance through PIMN network or GPRS network, sets up water cleaning systems and is connected with the communication of dense water monitoring system.
A kind of reverse osmosis concentrated water remote monitoring of present embodiment and recycle method are carried out remote monitoring and water saving recycle according to following step:
Step 1: the dense water conductivity preset value that dense water monitoring system is set;
Step 2: gather dense water conductivity; The value and the above-mentioned preset value of the dense water conductivity that collects are compared, and utilization PLC program is analyzed dense water conductivity data, and commander's electrically-controlled valve is regulated automatically; If when dense water conductivity surpasses preset value, carry out step 3; When if dense water conductivity is lower than preset value, carry out step 4; When if dense water conductivity equals preset value, keep the aperture of current two electrically-controlled valve not do adjusting, continue to detect dense water conductivity;
Step 3: open the electrically-controlled valve on the concentrated water discharge pipeline, transfer big electrically-controlled valve aperture, reduce electrical conductivity, reduce the time of staying of dense water in pressure vessel for reverse osmosis, reduce damage to membrane structure until electrical conductivity is no more than then execution in step two of preset value;
Step 4: open the electrically-controlled valve on the dense water circulating pipe, transfer the electrically-controlled valve aperture on the big dense water circulating pipe gradually, the electrically-controlled valve aperture of regulating on the concentrated water discharge pipeline progressively reduces, after reaching dense electrical conductivity of water and being not less than preset value, and execution in step two.
Shown in accompanying drawing; Present embodiment also proposes a kind of reverse osmosis concentrated water remote monitoring and cyclic utilization system, comprises water cleaning systems, dense water monitoring system and dense water circulation system; Refer now to Fig. 1; Exemplary reverse osmosis concentrated water remote monitoring and the cyclic utilization system of further specifying, water cleaning systems can include but not limited to raw water box-sand filter-carbon filter-softening filter-fine filter-high-pressure pump-counter-infiltration system-pure water, can expect also can using other water cleaning systems; Said dense water monitoring system detects the dense water that produces in the counter-infiltration system, based on testing result dense water circulation system is made fill order; Described dense water monitoring system is through detecting the value of dense electrical conductivity of water; Value and preset value (principle as describing in national examination criteria or the background technology obtains) with dense water conductivity compares again; Utilization PLC program is analyzed dense water conductivity data, commands dense water circulation system to regulate; Described dense water circulation system is connected counter-infiltration system through pipeline with raw water box in the water cleaning systems, pipeline 4 is provided with electrically-controlled valve 2 and dense water conductivity appearance 1, and electrically-controlled valve 2 is connected with dense water monitoring system with dense water conductivity appearance 1; Described dense water circulation system also comprises a concentrated water discharge pipeline, can dense water directly be emitted, and electrically-controlled valve 3 is installed on the concentrated water discharge pipeline equally, and this electrically-controlled valve 3 is connected with dense water monitoring system, prevents that dense water conductivity is too high; Described dense water monitoring system is to connect above-mentioned electrically-controlled valve and dense water conductivity appearance through PIMN network or GPRS network, sets up water cleaning systems and is connected with the communication of dense water monitoring system.
The invention has the advantages that; Overcome the dense water treatment problems that counter-infiltration system produced that adopts in the existing water cleaning systems through above-mentioned reverse osmosis concentrated water remote monitoring and recycle method and system; Realized convenient real-time monitoring processing of dense regimen condition and circulating water-saving utilization, guarantee to water resource make full use of and to the protection of counter-infiltration system.Especially directly utilize comparison method to carry out analyzing and processing through single Monitoring Data, simplified conventional monitoring mode greatly, have monitoring conveniently, the remote-controlled operation control ability reaches the high characteristics of intelligent degree by force.
The above only is a preferred implementation of the present invention; Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the principle of the invention, can also make some improvement and retouching, get concrete relevant criterion value or these improvement of other parameters and retouching like preset value and also should be regarded as protection scope of the present invention.
Claims (8)
1. reverse osmosis concentrated water remote monitoring and recycle method is characterized in that, comprise water cleaning systems; Dense water monitoring system and dense water circulation system; Wherein, said water cleaning systems has comprised counter-infiltration system, and said dense water monitoring system detects the dense water that produces in the counter-infiltration system; And will give Monitoring Data and compare with preset value, according to testing result dense water circulation system is made fill order again.
2. a kind of reverse osmosis concentrated water remote monitoring as claimed in claim 1 and recycle method; It is characterized in that; Described dense water monitoring system is through detecting the value of dense electrical conductivity of water; Value and preset value with dense water conductivity compares again, and utilization PLC program is analyzed dense water conductivity data, commands dense water circulation system to regulate.
3. a kind of reverse osmosis concentrated water remote monitoring as claimed in claim 1 and recycle method; It is characterized in that; Described dense water circulation system is connected counter-infiltration system through pipeline with raw water box in the water cleaning systems; Pipeline is provided with electrically-controlled valve and dense water conductivity appearance, and electrically-controlled valve is connected with dense water monitoring system with dense water conductivity appearance.
4. a kind of reverse osmosis concentrated water remote monitoring as claimed in claim 1 and recycle method; It is characterized in that; Described dense water circulation system also comprises a concentrated water discharge pipeline, on the concentrated water discharge pipeline electrically-controlled valve is installed, and this electrically-controlled valve is connected with dense water monitoring system.
5. like described a kind of reverse osmosis concentrated water remote monitoring of the arbitrary claim of claim 1-4 and recycle method, it is characterized in that, carry out remote monitoring and water saving recycle according to following step:
Step 1: the dense water conductivity preset value that dense water monitoring system is set;
Step 2: gather dense water conductivity; The value and the above-mentioned preset value of the dense water conductivity that collects are compared, and utilization PLC program is analyzed dense water conductivity data, and commander's electrically-controlled valve is regulated automatically; If when dense water conductivity surpasses preset value, carry out step 3; When if dense water conductivity is lower than preset value, carry out step 4; When if dense water conductivity equals preset value, keep the aperture of current two electrically-controlled valve not do adjusting, continue to detect dense water conductivity;
Step 3: open the electrically-controlled valve on the concentrated water discharge pipeline, transfer big electrically-controlled valve aperture, reduce electrical conductivity, reduce the time of staying of dense water in the counter-infiltration shell, reduce damage to membrane structure until electrical conductivity is no more than then execution in step two of preset value;
Step 4: open the electrically-controlled valve on the dense water circulating pipe, transfer the electrically-controlled valve aperture on the big dense water circulating pipe gradually, the electrically-controlled valve aperture of regulating on the concentrated water discharge pipeline progressively reduces, after reaching dense electrical conductivity of water and being not less than preset value, and execution in step two.
6. reverse osmosis concentrated water remote monitoring and cyclic utilization system; Comprise water cleaning systems; Dense water monitoring system and dense water circulation system, wherein, said water cleaning systems has comprised counter-infiltration system; Said dense water monitoring system detects the dense water that produces in the counter-infiltration system, based on testing result dense water circulation system is made fill order.
7. a kind of reverse osmosis concentrated water remote monitoring as claimed in claim 6 and cyclic utilization system; It is characterized in that; Described dense water monitoring system is through detecting the value of dense electrical conductivity of water; Value and preset value with dense water conductivity compares again, and utilization PLC program is analyzed dense water conductivity data, commands dense water circulation system to regulate.
8. like claim 6 or 7 described a kind of reverse osmosis concentrated water remote monitoring and cyclic utilization systems; It is characterized in that; Described dense water circulation system is connected counter-infiltration system through pipeline with raw water box in the water cleaning systems; Pipeline is provided with electrically-controlled valve and dense water conductivity appearance, and electrically-controlled valve is connected with dense water monitoring system with dense water conductivity appearance; Described dense water circulation system also comprises a concentrated water discharge pipeline, on the concentrated water discharge pipeline electrically-controlled valve is installed, and this electrically-controlled valve is connected with dense water monitoring system.
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| CN2011104175270A CN102489154A (en) | 2011-12-14 | 2011-12-14 | Reverse osmosis type remote monitoring and recycling method and system for concentrated water |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105080211A (en) * | 2015-08-06 | 2015-11-25 | 汪为良 | Remote control sewage filtering and circulation system for dedusting streetlamp |
| CN106020292A (en) * | 2016-05-13 | 2016-10-12 | 清华大学 | Reverse osmosis system and concentrated water circulation control method |
| CN108862794A (en) * | 2018-07-16 | 2018-11-23 | 北京时代科仪新能源科技有限公司 | A kind of closed-loop system and method for control loop water quality |
| CN109095560A (en) * | 2017-06-20 | 2018-12-28 | 佛山市顺德区美的饮水机制造有限公司 | Water purification system and its control method, computer readable storage medium |
| CN109534446A (en) * | 2018-12-04 | 2019-03-29 | 北京燕脉龙科技有限公司 | A kind of Ro reverse osmosis concentrated water recycling processing system |
| CN112230688A (en) * | 2020-10-29 | 2021-01-15 | 珠海格力智能装备有限公司 | Control method and device of water purification equipment and water purification equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2529649Y (en) * | 2002-02-01 | 2003-01-08 | 北京康德威医疗设备有限公司 | Water saving and electricity saving appts. for intelligent water treatment system |
| WO2008001821A1 (en) * | 2006-06-28 | 2008-01-03 | Sanyo Electric Co., Ltd. | Water supply apparatus |
| CN102190393A (en) * | 2010-03-12 | 2011-09-21 | 上海瑞勇实业有限公司 | Purified water production process with high recovery rate |
| CN102219320A (en) * | 2011-04-15 | 2011-10-19 | 佛山市顺德区美的饮水机制造有限公司 | Water purifier |
-
2011
- 2011-12-14 CN CN2011104175270A patent/CN102489154A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2529649Y (en) * | 2002-02-01 | 2003-01-08 | 北京康德威医疗设备有限公司 | Water saving and electricity saving appts. for intelligent water treatment system |
| WO2008001821A1 (en) * | 2006-06-28 | 2008-01-03 | Sanyo Electric Co., Ltd. | Water supply apparatus |
| CN102190393A (en) * | 2010-03-12 | 2011-09-21 | 上海瑞勇实业有限公司 | Purified water production process with high recovery rate |
| CN102219320A (en) * | 2011-04-15 | 2011-10-19 | 佛山市顺德区美的饮水机制造有限公司 | Water purifier |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105080211A (en) * | 2015-08-06 | 2015-11-25 | 汪为良 | Remote control sewage filtering and circulation system for dedusting streetlamp |
| CN106020292A (en) * | 2016-05-13 | 2016-10-12 | 清华大学 | Reverse osmosis system and concentrated water circulation control method |
| CN106020292B (en) * | 2016-05-13 | 2018-07-27 | 清华大学 | A kind of counter-infiltration system and concentrated water circulation controlling means |
| CN109095560A (en) * | 2017-06-20 | 2018-12-28 | 佛山市顺德区美的饮水机制造有限公司 | Water purification system and its control method, computer readable storage medium |
| CN108862794A (en) * | 2018-07-16 | 2018-11-23 | 北京时代科仪新能源科技有限公司 | A kind of closed-loop system and method for control loop water quality |
| CN109534446A (en) * | 2018-12-04 | 2019-03-29 | 北京燕脉龙科技有限公司 | A kind of Ro reverse osmosis concentrated water recycling processing system |
| CN112230688A (en) * | 2020-10-29 | 2021-01-15 | 珠海格力智能装备有限公司 | Control method and device of water purification equipment and water purification equipment |
| CN112230688B (en) * | 2020-10-29 | 2024-03-08 | 珠海格力智能装备有限公司 | Control method and device of water purifying equipment and water purifying equipment |
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Application publication date: 20120613 |